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Pacific Southwest Research Station

Pacific Southwest
Research Station

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Albany, CA 94710-0011
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Publications and Products

General Technical Report

Title: Proceedings of the Sudden Oak Death Fourth Science Symposium

Author: Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M., tech. coords.

Date: 2010

Source: Gen. Tech. Rep. PSW-GTR-229. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 378 p

Station ID: GTR-PSW-229

Description: The Sudden Oak Death Fourth Science Symposium provided a forum for current research on sudden oak death, caused by the exotic, quarantine pathogen, Phytophthora ramorum. Ninety submissions describing papers or posters on the following sudden oak death/P. ramorum topics are included: biology, genetics, nursery and wildland management, monitoring, ecology, and diagnostics.

Keywords: Sudden oak death, Phytophthora ramorum, invasive species, tanoak, coast live oak

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Front Matter and Contents

Sudden Oak Death: A Global Update

Detection and Eradication of Phytophthora ramorum from Oregon Forests, 2001–2008 220 KB
Alan Kanaskie, Everett Hansen, Ellen Michaels Goheen, Nancy Osterbauer, Michael McWilliams, Jon Laine, Michael Thompson, Stacy Savona, Harvey Timeus, Bill Woosley, Wendy Sutton, Paul Reeser, Rick Shultz, and Dan Hilburn

Phytophthora Concerns

Spread of P. ramorum from Nurseries into Waterways—Implications for Pathogen Establishment in New Areas 243 KB
Gary Chastagner, Steven Oak, Daniel Omdal, Amy Ramsey-Kroll, Katie Coats, Yana Valachovic, Chris Lee, Jaesoon Hwang, Steven Jeffers, and Marianne Elliott

Emerging Phytophthora Species and Related Issues

Distribution and Severity of Alder Phytophthora in Alaska 695 KB
G.C. Adams, M. Catal, and L. Trummer
Detection of Possible Phytophthora pinifolia Infection in Pinus radiata Green Sawn Timber Produced in Chile 38 KB
R. Ahumada, C. Díaz, M. Peredo, C. Barría, P. González, and G. Cuevas


A Systems Approach for Detecting Sources of Phytophthora Contamination in Nurseries 44 KB
Jennifer L. Parke, Niklaus Grünwald, Carrie Lewis, and Val Fieland
Detection of Phytophthora ramorum at Retail Nurseries in the Southeastern United States 25KB
Steven N. Jeffers, Jaesoon Hwang, Yeshi A. Wamishe, and Steven W. Oak
Within-Field Spread of Phytophthora ramorum on Rhododendron in Nursery Settings 22 KB
Kurt Heungens, Isabelle De Dobbelaere, Bjorn Gehesquière, Annelies Vercauteren, and Martine Maes

Biology I

Persistence of Phytophthora ramorum and Phytophthora kernoviae in U.K. Natural Areas and Implications for North American Forests 14 KB
Elizabeth J. Fichtner, David M. Rizzo, Joan Webber, Susan A. Kirk, and Alistair Whybrow
Symptoms Associated with Inoculation of Stems on Living Douglas-fir and Grand Fir Trees with Phytophthora ramorum 15 KB
Gary Chastagner, Kathy Riley, Katie Coats, Marianne Elliott, Annie DeBauw, and Norm Dart
Effects of Phytophthora ramorum Infection on Hydraulic Conductivity and Tylosis Formation in Tanoak Sapwood 12 KB
Jennifer Parke, Bradley Collins, Barb Lachenbruch, and Everett Hansen

Diagnostics and Mycology

ELISA and ImmunoStrip® for Detection of Phytophthora ramorum, P. kernoviae, and Other Phytophthora Species 15 KB
Francisco. J. Avila, Barbara Schoedel, Z. Gloria Abad, Michael D. Coffey, and Cheryl Blomquist
Mating of Phytophthora ramorum: Functionality and Consequences 62 KB
Xavier Boutet, Annelies Vercauteren, Kurt Heungens, and Anne Chandelier
Unstable Aneuploid Progenies of Phytophthora ramorum 21 KB
Annelies Vercauteren, Xavier Boutet, Anne Chandelier, Kurt Heungens, and Martine Maes

Genetics and Resistance

Tracking Populations and New Infections of Phytophthora ramorum in Southern Oregon Forests 69 KB
Jennifer Britt, Simone Prospero, Niklaus Grünwald, Alan Kanaskie, and Everett Hansen
Genetic Diversity of Phytophthora ramorum in Belgium 23 KB
Annelies Vercauteren, Isabelle De Dobbelaere, Martine Maes, and Kurt Heungens
An Update on Microsatellite Genotype Information of Phytophthora ramorum in Washington State Nurseries 14 KB
Katie Coats, Gary Chastagner, Norm Dart, Meg M. Larsen, and Niklaus J. Grunwald
Population Genetic Analysis Reveals Ancient Evolution and Recent Migration of P. ramorum 79 KB
Erica M. Goss, Meg Larsen, Ignazio Carbone, Donald R. Givens, Gary A. Chastagner, and Niklaus J.Grünwald

Predicting Risk

Predicting the Spread of Sudden Oak Death in California (2010–2030): Epidemic Outcomes Under No Control 12 KB
Ross K. Meentemeyer, Nik Cunniffe, Alex Cook, David M. Rizzo, and Chris A. Gilligan
Strategies for Control of Sudden Oak Death in Humboldt County—Informed Guidance Based on a Parameterized Epidemiological Model 21 KB
João A. N. Filipe, Richard C. Cobb, David M. Rizzo, Ross K. Meentemeyer, and Christopher A. Gilligan
Mapping the Risk of Sudden Oak Death in Oregon: Prioritizing Locations for Early Detection and Eradication 477 KB
Tomáš Václavík, Alan Kanaskie, Ellen Goheen, Janet Ohmann, Everett Hansen, and Ross Meentemeyer
Evidence of the Dynamic Response of Housing Values to a Sudden Oak Death Infestation 209 KB
Kent F. Kovacs, Thomas P. Holmes, Jeffrey E. Englin, and Janice Alexander

Biology II

Ancestral Seed Zones and Genetic Mixture of Tanoak 172 KB
Richard Dodd, Zara Rafii, and Wasima Mayer
Tanoak Resistance: Can it be Used to Sustain Populations? 34 KB
Katherine J. Hayden, Alex Lundquist, Douglas J. Schmidt, Richard A Sniezko, Susan J. Frankel, andMatteo Garbelotto
Relationship Between Resistance to Phytophthora ramorum and Constitutive Phenolic Chemistry in Coast Live Oaks and Northern Red Oaks 77 KB
Annemarie M. Nagle, Matteo Garbelotto, Brice McPherson, David L. Wood, and Pierluigi Bonello
Biosecurity Protocols for Heritage Gardens 25 KB
Ian Wright and David Slawson
Susceptibility of Australian Plant Species to Phytophthora ramorum 27 KB
Kylie Ireland, Daniel Hüberli, Bernard Dell, Ian Smith, David Rizzo, and Giles Hardy
Impacts of Phytophthora ramorum on Oaks and Tanoaks in Marin County, California Forests Since 2000 24 KB
Brice A. McPherson, David L. Wood, Maggi Kelly, Sylvia R. Mori, Pavel Svihra, Andrew J. Storer, and Richard B. Standiford
Community and Individual Effects on SOD Intensification in California Redwood Forests: Implications for Tanoak Persistence 20 KB
Richard C. Cobb, Joao A. N. Filipe, Ross K. Meentemeyer, Chris A. Gilligan, Shannon C. Lynch, and David M. Rizzo


Aerial Application of Agri-Fos® to Prevent Sudden Oak Death in Oregon Tanoak Forests 36 KB
Alan Kanaskie, Everett Hansen, Wendy Sutton, Paul Reeser, and Carolyn Choquette
Eradication Effectiveness Monitoring in Oregon Tanoak Forests 21 KB
Ellen Michaels Goheen, Alan Kanaskie, Everett Hansen, Wendy Sutton, Paul Reeser and Nancy Osterbauer
Forest Treatment Strategies for Phytophthora ramorum 64 KB
Yana Valachovic, Chris Lee, Jack Marshall, and Hugh Scanlon

Fire and Social Impacts

Understanding the Long-Term Fire Risks in Forests Affected by Sudden Oak Death 220 KB
Yana Valachovic, Chris Lee, Radoslaw Glebocki, Hugh Scanlon, J. Morgan Varner, and David Rizzo
Sudden Oak Death Mortality and Fire: Lessons from the Basin Complex 63 KB
Chris Lee, Yana Valachovic, Susan Frankel, and Katie Palmieri



Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M.  2010.  Proceedings of the Sudden Oak Death Fourth Science Symposium.   Gen. Tech. Rep. PSW-GTR-229. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 378 p.